First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Tran's subtotal at Scramble's Electronics is $304.31. The sales tax on these items is $23.81. What was Tran's total bill?
A. Estimate: $280; exact: $280.5
B. Estimate: $328.12; exact: $328.12
C. Estimate: $300; exact: $328.12
D. Estimate: $320; exact: $328.12
Answer: D
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